Finding the Fourth Proportional to 1,125,153.18, 1,687,377.42 and 326,489.94
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Solution
The fourth proportional to 1,125,153.18, 1,687,377.42 and 326,489.94 is: 489,632.67
Step by Step Solution
- Step 1: Write the proportion equation
1,125,153.18 : 1,687,377.42 = 326,489.94 : x - Step 2: Convert to fraction form
1,125,153.18/1,687,377.42 = 326,489.94/x - Step 3: Cross multiply
1,125,153.18x = 1,687,377.42 × 326,489.94 - Step 4: Simplify right side
1,125,153.18x = 550,911,752,613.16 - Step 5: Solve for x
x = 550,911,752,613.16/1,125,153.18 - Step 6: Final answer
x = 489,632.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.